Senior Backend Engineer

■Requirement ● Must-have: - Education: A bachelor’s degree in Computer Science, Software Engineering, Artificial Intelligence, or related field; a Master’s degree is a plus. - Experience: **8+ years** of intensive experience in **backend development**, with a proven track record of **designing, building, and deploying complex, large-scale, and high-traffic software systems** (Any language: **_Go, RoR, Python, Java, C#, or Node.js_**). - Critical use of **AI coding tools**: you use tools like Claude Code, GitHub Copilot, and Cursor to move faster, and you verify what they produce: checking for hallucinated APIs, security issues (injection, exposed secrets), architectural fit, and writing your own tests to validate the generated logic. - Hands-on experience with observability platforms (Datadog, CloudWatch, Prometheus/Grafana). - **Business-level communication skills in English** (for daily collaboration with Japan HQ and documentation). ● Preferred: - Experience with Go or Ruby (Rails) our current primary stacks. - Microservices experience: service boundaries, gRPC/REST API design, message queues, distributed transaction patterns. - Cross-functional collaboration: Ability to converse effectively with Frontend teams (React/TS) and DevOps teams (AWS/Kubernetes) to ensure end-to-end system reliability. ■Salary : VND 75,000,000 - VND 120,000,000 Gross ■Working time: Mon - Fri: 9h00-18h00, Hybrid working (1-2 days working at office) ■Other Benefits： ● Competitive salary package, including full insurance coverage ● Annual performance review: twice/ year ● Year-end Bonus ● Hybrid working model ● 12 days of annual leave and maximum of 6 days for New Year Leave ● Premium Healthcare Insurance Package starting from day one ● Annual Health Check-up ● Excellent career development opportunities, with exposure to and experience in the latest technologies ● Patents and Inventions bonus. ● Company trip, Year-End Party, Gifts for Tet/ Holidays ● MacBook Pro/ Laptop is provided. ■ Interview process (100% online): 3 rounds ■Contact: 097 1258 927 (Zalo: Tham)